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Hope this is the right place to ask.. I'm a Mechatronic Engineering student and am having difficulty programming the mill to cut diagonal edges of contours. I've worked through this tutorial which I understand. The problem I'm having is milling around the outside of the diagonal edge, not on it. I hope that makes sense. I'm unsure about the tool positioning at the start/end of cut, for example. Can someone explain how to do it? Thanks.

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The feature you are describing is called the cutter radius correction. You can activate/deactivate it with the G-codes G40, G41, G42.

These will displace the path with the radius of the active cutter in positive or negative direction.

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  • $\begingroup$ So I would mill the contour with the toolpath on the contour (as in the tutorial) but include cutter compensation which will take radius of the cutter into account and adjust accordingly? $\endgroup$ – somers Apr 4 '17 at 17:18
  • $\begingroup$ Yes, exactly as you say $\endgroup$ – 50k4 Apr 4 '17 at 17:43

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